Exxon Mobil Corp. proposed a giant, $100 billion hub to capture carbon dioxide emissions along the U.S. Gulf Coast in Texas but warned that government funding would be required to pay for and develop it. In what would be the world’s biggest carbon carbon and sequestration project, Exxon along with a multitude of private and public partners would build a facility to collect emissions from refineries, petrochemical plants and other industrial facilities along the Houston Ship Channel, Joe Blommaert, president of Exxon’s new low-carbon business said in a blog post.

Early projections show such a facility could bury 50 million tons a year beneath the Gulf of Mexico by 2030, more than all CCS projects currently operating globally. Exxon said that figure could double by 2040.

“It will need government and private-sector funding, as well as enhanced regulatory and legal frameworks that enable investment and innovation,” Exxon said.

The oil major, under pressure from investors over its environmental record and recent financial returns, didn’t say how much money it would provide to the project and recently cut its capital budget to the lowest in two decades to protect its $15 billion-a-year dividend.

Last year, the company put a smaller but easier to implement carbon project in Wyoming on hold due to the economic fallout from Covid-19. It would have cost about $260 million, or less the 1% of what Exxon is proposing for the Gulf Coast.